Finding the Fourth Proportional to 1,592,940.72, 2,198,249.60 and 867,786.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,592,940.72 : 2,198,249.60 = 867,786.72 : x
2. Step 2: Convert to fraction form
   1,592,940.72/2,198,249.60 = 867,786.72/x
3. Step 3: Cross multiply
   1,592,940.72x = 2,198,249.60 × 867,786.72
4. Step 4: Simplify right side
   1,592,940.72x = 1,907,611,810,125.31
5. Step 5: Solve for x
   x = 1,907,611,810,125.31/1,592,940.72
6. Step 6: Final answer
   x = 1,197,540.99